Chimneys and flues and fireplaces
Showing results 1-12 of 22
Insecure flue
-
Stays not installed
-
Corroded fixings
-
Insufficient number of fixings or loose fixings
-
Loose or stretched stays
Chimney or flue flashing has lifted
-
Wind lifting flashings
-
Insufficient number of fixings
-
Movement of the flue causing the flashing to loosen
External chimney separating from building
-
Earthquake damage, or foundation settlement
Flat top flashing to framed chimney
-
Not correctly installed or not correctly detailed originally
No vent openings to top of framed chimneys/flues
-
Chimney/flue was not correctly installed
Leak around fixings of TV aerials and satellite dishes
-
Sealing washers to fixings were left out at installation
Crumbling mortar in masonry chimneys
-
Moisture getting into the mortar
-
Mortar quality is poor – most commonly found in pre-1930s buildings
Plaster finish cracking on masonry chimneys
-
The building or chimney has settled
-
Earthquake damage
-
The chimney is not adequately tied to the structure
Insecure chimney pot
-
Mortar deterioration between chimney and chimney pot
Corrosion of cowl and/or flue pipe
-
Corrosive particulates from the combustion process
-
Burning treated timber or driftwood (both contain corrosive salts)
-
Material is at the end of its serviceable life
-
Wrong specification for the environment
Gas supply – corroded flue
-
Age
-
Exposure to air-borne salt, dust or dirt
Gas supply – open flue joints
-
Thermal movement